From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C58CBC43219 for ; Mon, 29 Apr 2019 09:12:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 92EED21473 for ; Mon, 29 Apr 2019 09:12:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727930AbfD2JM4 (ORCPT ); Mon, 29 Apr 2019 05:12:56 -0400 Received: from mga02.intel.com ([134.134.136.20]:32630 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727895AbfD2JMy (ORCPT ); Mon, 29 Apr 2019 05:12:54 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga101.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 29 Apr 2019 02:12:53 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.60,409,1549958400"; d="scan'208";a="165988263" Received: from hao-dev.bj.intel.com ([10.238.157.65]) by fmsmga004.fm.intel.com with ESMTP; 29 Apr 2019 02:12:52 -0700 From: Wu Hao To: atull@kernel.org, mdf@kernel.org, linux-fpga@vger.kernel.org, linux-kernel@vger.kernel.org Cc: linux-api@vger.kernel.org, Wu Hao , Xu Yilun Subject: [PATCH v2 10/18] fpga: dfl: add id_table for dfl private feature driver Date: Mon, 29 Apr 2019 16:55:43 +0800 Message-Id: <1556528151-17221-11-git-send-email-hao.wu@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1556528151-17221-1-git-send-email-hao.wu@intel.com> References: <1556528151-17221-1-git-send-email-hao.wu@intel.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch adds id_table for each dfl private feature driver, it allows to reuse same private feature driver to match and support multiple dfl private features. Signed-off-by: Xu Yilun Signed-off-by: Wu Hao Acked-by: Moritz Fischer Acked-by: Alan Tull --- drivers/fpga/dfl-afu-main.c | 14 ++++++++++++-- drivers/fpga/dfl-fme-main.c | 11 ++++++++--- drivers/fpga/dfl-fme-pr.c | 7 ++++++- drivers/fpga/dfl-fme.h | 3 ++- drivers/fpga/dfl.c | 21 +++++++++++++++++++-- drivers/fpga/dfl.h | 21 +++++++++++++++------ 6 files changed, 62 insertions(+), 15 deletions(-) diff --git a/drivers/fpga/dfl-afu-main.c b/drivers/fpga/dfl-afu-main.c index 82fd80a..2916876 100644 --- a/drivers/fpga/dfl-afu-main.c +++ b/drivers/fpga/dfl-afu-main.c @@ -440,6 +440,11 @@ static void port_hdr_uinit(struct platform_device *pdev, return ret; } +static const struct dfl_feature_id port_hdr_id_table[] = { + {.id = PORT_FEATURE_ID_HEADER,}, + {0,} +}; + static const struct dfl_feature_ops port_hdr_ops = { .init = port_hdr_init, .uinit = port_hdr_uinit, @@ -500,6 +505,11 @@ static void port_afu_uinit(struct platform_device *pdev, sysfs_remove_files(&pdev->dev.kobj, port_afu_attrs); } +static const struct dfl_feature_id port_afu_id_table[] = { + {.id = PORT_FEATURE_ID_AFU,}, + {0,} +}; + static const struct dfl_feature_ops port_afu_ops = { .init = port_afu_init, .uinit = port_afu_uinit, @@ -507,11 +517,11 @@ static void port_afu_uinit(struct platform_device *pdev, static struct dfl_feature_driver port_feature_drvs[] = { { - .id = PORT_FEATURE_ID_HEADER, + .id_table = port_hdr_id_table, .ops = &port_hdr_ops, }, { - .id = PORT_FEATURE_ID_AFU, + .id_table = port_afu_id_table, .ops = &port_afu_ops, }, { diff --git a/drivers/fpga/dfl-fme-main.c b/drivers/fpga/dfl-fme-main.c index 8b2a337..38c6342 100644 --- a/drivers/fpga/dfl-fme-main.c +++ b/drivers/fpga/dfl-fme-main.c @@ -158,6 +158,11 @@ static long fme_hdr_ioctl(struct platform_device *pdev, return -ENODEV; } +static const struct dfl_feature_id fme_hdr_id_table[] = { + {.id = FME_FEATURE_ID_HEADER,}, + {0,} +}; + static const struct dfl_feature_ops fme_hdr_ops = { .init = fme_hdr_init, .uinit = fme_hdr_uinit, @@ -166,12 +171,12 @@ static long fme_hdr_ioctl(struct platform_device *pdev, static struct dfl_feature_driver fme_feature_drvs[] = { { - .id = FME_FEATURE_ID_HEADER, + .id_table = fme_hdr_id_table, .ops = &fme_hdr_ops, }, { - .id = FME_FEATURE_ID_PR_MGMT, - .ops = &pr_mgmt_ops, + .id_table = fme_pr_mgmt_id_table, + .ops = &fme_pr_mgmt_ops, }, { .ops = NULL, diff --git a/drivers/fpga/dfl-fme-pr.c b/drivers/fpga/dfl-fme-pr.c index cd94ba8..52f1745 100644 --- a/drivers/fpga/dfl-fme-pr.c +++ b/drivers/fpga/dfl-fme-pr.c @@ -483,7 +483,12 @@ static long fme_pr_ioctl(struct platform_device *pdev, return ret; } -const struct dfl_feature_ops pr_mgmt_ops = { +const struct dfl_feature_id fme_pr_mgmt_id_table[] = { + {.id = FME_FEATURE_ID_PR_MGMT,}, + {0} +}; + +const struct dfl_feature_ops fme_pr_mgmt_ops = { .init = pr_mgmt_init, .uinit = pr_mgmt_uinit, .ioctl = fme_pr_ioctl, diff --git a/drivers/fpga/dfl-fme.h b/drivers/fpga/dfl-fme.h index de20755..7a021c4 100644 --- a/drivers/fpga/dfl-fme.h +++ b/drivers/fpga/dfl-fme.h @@ -35,6 +35,7 @@ struct dfl_fme { struct dfl_feature_platform_data *pdata; }; -extern const struct dfl_feature_ops pr_mgmt_ops; +extern const struct dfl_feature_ops fme_pr_mgmt_ops; +extern const struct dfl_feature_id fme_pr_mgmt_id_table[]; #endif /* __DFL_FME_H */ diff --git a/drivers/fpga/dfl.c b/drivers/fpga/dfl.c index c5aa287..65f91ef 100644 --- a/drivers/fpga/dfl.c +++ b/drivers/fpga/dfl.c @@ -14,6 +14,8 @@ #include "dfl.h" +#define DRV_VERSION "0.8" + static DEFINE_MUTEX(dfl_id_mutex); /* @@ -274,6 +276,21 @@ static int dfl_feature_instance_init(struct platform_device *pdev, return ret; } +static bool dfl_feature_drv_match(struct dfl_feature *feature, + struct dfl_feature_driver *driver) +{ + const struct dfl_feature_id *ids = driver->id_table; + + if (ids) { + while (ids->id) { + if (ids->id == feature->id) + return true; + ids++; + } + } + return false; +} + /** * dfl_fpga_dev_feature_init - init for sub features of dfl feature device * @pdev: feature device. @@ -294,8 +311,7 @@ int dfl_fpga_dev_feature_init(struct platform_device *pdev, while (drv->ops) { dfl_fpga_dev_for_each_feature(pdata, feature) { - /* match feature and drv using id */ - if (feature->id == drv->id) { + if (dfl_feature_drv_match(feature, drv)) { ret = dfl_feature_instance_init(pdev, pdata, feature, drv); if (ret) @@ -1164,3 +1180,4 @@ static void __exit dfl_fpga_exit(void) MODULE_DESCRIPTION("FPGA Device Feature List (DFL) Support"); MODULE_AUTHOR("Intel Corporation"); MODULE_LICENSE("GPL v2"); +MODULE_VERSION(DRV_VERSION); diff --git a/drivers/fpga/dfl.h b/drivers/fpga/dfl.h index 3c5dc3a..fbc57f0 100644 --- a/drivers/fpga/dfl.h +++ b/drivers/fpga/dfl.h @@ -30,8 +30,8 @@ /* plus one for fme device */ #define MAX_DFL_FEATURE_DEV_NUM (MAX_DFL_FPGA_PORT_NUM + 1) -/* Reserved 0x0 for Header Group Register and 0xff for AFU */ -#define FEATURE_ID_FIU_HEADER 0x0 +/* Reserved 0xfe for Header Group Register and 0xff for AFU */ +#define FEATURE_ID_FIU_HEADER 0xfe #define FEATURE_ID_AFU 0xff #define FME_FEATURE_ID_HEADER FEATURE_ID_FIU_HEADER @@ -169,13 +169,22 @@ struct dfl_fpga_port_ops { int dfl_fpga_check_port_id(struct platform_device *pdev, void *pport_id); /** - * struct dfl_feature_driver - sub feature's driver + * struct dfl_feature_id - dfl private feature id * - * @id: sub feature id. - * @ops: ops of this sub feature. + * @id: unique dfl private feature id. */ -struct dfl_feature_driver { +struct dfl_feature_id { u64 id; +}; + +/** + * struct dfl_feature_driver - dfl private feature driver + * + * @id_table: id_table for dfl private features supported by this driver. + * @ops: ops of this dfl private feature driver. + */ +struct dfl_feature_driver { + const struct dfl_feature_id *id_table; const struct dfl_feature_ops *ops; }; -- 1.8.3.1